金属烤瓷修复体美观，强度高、边缘适合性和生物相溶性好而深受患者的欢迎。近几年我科已将金属烤瓷修复体广泛用于临床。经过对修复效果的观察发现瓷的折裂和剥脱是引起修复失败的主要原因。调查、总结分析失败的病例，明确致折裂或剥脱的各种因素，对降低失败率，提高修复体 Metal porcelain restoration beautiful, high strength, edge compatibility and good biocompatibility by patients. In recent years, our department has been widely used in clinical porcelain restoration. After the repair effect of the observation found that porcelain fracture and exfoliation is the main reason for the failure to repair. Survey, summarize the failure cases, a clear cause of the various factors of fracture or exfoliation, to reduce the failure rate, improve the restoration